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1 | /* | |
2 | * os-win32.c | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * Copyright (c) 2010 Red Hat, Inc. | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
23 | * THE SOFTWARE. | |
24 | */ | |
25 | ||
26 | #include "qemu/osdep.h" | |
27 | #include <windows.h> | |
28 | #include <mmsystem.h> | |
29 | #include "qemu-common.h" | |
30 | #include "qemu-options.h" | |
31 | #include "sysemu/runstate.h" | |
32 | ||
33 | static BOOL WINAPI qemu_ctrl_handler(DWORD type) | |
34 | { | |
35 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_HOST_SIGNAL); | |
36 | /* Windows 7 kills application when the function returns. | |
37 | Sleep here to give QEMU a try for closing. | |
38 | Sleep period is 10000ms because Windows kills the program | |
39 | after 10 seconds anyway. */ | |
40 | Sleep(10000); | |
41 | ||
42 | return TRUE; | |
43 | } | |
44 | ||
45 | static TIMECAPS mm_tc; | |
46 | ||
47 | static void os_undo_timer_resolution(void) | |
48 | { | |
49 | timeEndPeriod(mm_tc.wPeriodMin); | |
50 | } | |
51 | ||
52 | void os_setup_early_signal_handling(void) | |
53 | { | |
54 | SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE); | |
55 | timeGetDevCaps(&mm_tc, sizeof(mm_tc)); | |
56 | timeBeginPeriod(mm_tc.wPeriodMin); | |
57 | atexit(os_undo_timer_resolution); | |
58 | } | |
59 | ||
60 | /* Look for support files in the same directory as the executable. */ | |
61 | char *os_find_datadir(void) | |
62 | { | |
63 | return qemu_get_exec_dir(); | |
64 | } | |
65 | ||
66 | void os_set_line_buffering(void) | |
67 | { | |
68 | setbuf(stdout, NULL); | |
69 | setbuf(stderr, NULL); | |
70 | } | |
71 | ||
72 | /* | |
73 | * Parse OS specific command line options. | |
74 | * return 0 if option handled, -1 otherwise | |
75 | */ | |
76 | int os_parse_cmd_args(int index, const char *optarg) | |
77 | { | |
78 | return -1; | |
79 | } |